From d28ec08eddf4cf8dc5ffe94c6cf72df32e257166 Mon Sep 17 00:00:00 2001 From: Jim Grosbach Date: Fri, 8 Jul 2011 21:10:35 +0000 Subject: [PATCH] Pseudo-ize tBX_RET and tBX_RET_vararg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134739 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/ARM/ARMInstrThumb.td | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 10038c88f1b..9a96dc7fdae 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -385,24 +385,13 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in { } let isReturn = 1, isTerminator = 1, isBarrier = 1 in { - def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr", - [(ARMretflag)]>, - T1Special<{1,1,0,?}> { - // A6.2.3 & A8.6.25 - let Inst{6-3} = 0b1110; // Rm = lr - let Inst{2-0} = 0b000; - } + def tBX_RET : tPseudoExpand<(outs), (ins), Size2Bytes, IIC_Br, + [(ARMretflag)], (tBX LR, (ops 14, zero_reg))>; // Alternative return instruction used by vararg functions. - def tBX_RET_vararg : TI<(outs), (ins tGPR:$Rm), - IIC_Br, "bx\t$Rm", - []>, - T1Special<{1,1,0,?}> { - // A6.2.3 & A8.6.25 - bits<4> Rm; - let Inst{6-3} = Rm; - let Inst{2-0} = 0b000; - } + def tBX_RET_vararg : tPseudoExpand<(outs), (ins tGPR:$Rm), + Size2Bytes, IIC_Br, [], + (tBX GPR:$Rm, (ops 14, zero_reg))>; } // All calls clobber the non-callee saved registers. SP is marked as a use to